Engineering Math PracticeGet the pack

Moments & Couples

The turning effect of a force about a point or an axis, and force-couple systems.

External & Internal Forces, Equivalent Forces

Coming soon

Classifying the forces acting on a body and when two force systems are equivalent.

Vector Product & Moment of a Force About a Point

Coming soon

Computing a moment as the cross product of a position vector and a force.

Scalar Product, Mixed Triple Product & Moment About an Axis

Coming soon

Using the dot and mixed triple products to find the moment of a force about a line.

Moment of a Couple & Force-Couple Resolution

Coming soon

Couples as free vectors, and replacing a force with an equivalent force plus a couple.